# getNVecVars()

Return the number of vector variables.

## Usage

nVVars = vis.getNVecVars( )

## Parameters

None

## Return Value

- nVVars (integer)
- Number of vector variables.

## Errors

None

## Description

`nVVars = vis.getNVecVars( )`

Return the number of vector variables.

nVVars = vis.getNVecVars( )

None

- nVVars (integer)
- Number of vector variables.

None

This routine returns the number of vector variables. For
example,

`nVVars = vis.getNVecVars( )`